대한영상의학회지 (Journal of the Korean Society of Radiology)

  • 제83권1호
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  • Pages.138-148
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  • 2022
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  • 1738-2637(pISSN)
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  • 2288-2928(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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소아 전산화단층촬영의 국내 동향: 전국적 코호트 연구

National Trends in Pediatric CT Scans in South Korea: A Nationwide Cohort Study

  • 김낙철 (서울대학교 의과대학 분당서울대학교병원 정형외과) ;
  • 권순선 (아주대학교 자연과학대학 수학과) ;
  • 박문석 (서울대학교 의과대학 분당서울대학교병원 정형외과) ;
  • 이경민 (서울대학교 의과대학 분당서울대학교병원 정형외과) ;
  • 성기혁 (서울대학교 의과대학 분당서울대학교병원 정형외과)
  • Nak Tscheol Kim (Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital) ;
  • Soon-Sun Kwon (Department of Mathematics, College of Natural Sciences, Ajou University) ;
  • Moon Seok Park (Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital) ;
  • Kyoung Min Lee (Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital) ;
  • Ki Hyuk Sung (Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital)
  • 투고 : 2021.03.26
  • 심사 : 2021.06.29
  • 발행 : 2022.01.01
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초록

목적 본 연구는 전국 인구 기반 데이터베이스를 이용하여 국내 소아 전산화단층촬영의 비율과 연간 추세를 평가하였다. 대상과 방법 2012년부터 2017년까지 국내에서 촬영된 소아 전산화단층촬영에 대한 건강보험심사평가원의 데이터를 사용하였다. 연령, 성별, 진단명 및 해부학적 위치에 대한 데이터를 같이 추출하여 분석하였다. 결과 18세 미만 어린이 58527528명을 대상으로 총 576376건의 전산화단층촬영이 시행되었다(1000명당 9.8회). 어린이 1000명당 전산화단층촬영 횟수는 9.0회에서 11.0회로 23.2% 증가했다. 전산화단층촬영 건수는 6-12세 그룹에서 32.9%(1000명당 7.4회에서 9.8회로 증가), 13-18세 그룹에서 34.0% 증가했다(1000명당 11.4회에서 15.3회로 증가). 부위별 전산화단층촬영의 비율은 두부(39.1%), 사지(32.5%), 복부(13.7%) 순서로 확인되었다. 사지 전산화단층촬영 횟수는 83.6% 증가했으며(1000명당 2.3회에서 4.2회로 증가) 사지 전산화단층촬영의 비율은 25.3%에서 37.7%로 증가했다. 결론 소아 환자의 전산화단층촬영은 2012년부터 2017년까지 매년 4.4%의 속도로 지속적으로 증가했다. 따라서 의사는 소아 환자에서 전산화단층촬영으로 인한 이득과 방사선 노출로 인한 잠재적인 피해를 적절히 고려하여 신중하게 촬영을 결정해야 한다.

Purpose This study evaluated the rates and annual trends of pediatric CT scans in South Korea using a nationwide population-based database. Materials and Methods Data regarding pediatric CT scan usage between 2012 and 2017 were retrieved from the health insurance review and assessment service. Data on the age, sex, diagnosis, and the anatomical area of involved patients were also extracted. Results A total of 576376 CT examinations were performed among 58527528 children aged below 18 years (9.8 scans/1000 children), and the number of CT examinations per 1000 children was noted to have increased by 23.2% from 9.0 in 2012 to 11.0 in 2017. Specifically, the number of CT examinations increased by 32.9% for the 6-12 years of age group (7.4/1000 to 9.8/1000) and by 34.0% for the 13-18 years of age group (11.4/1000 to 15.3/1000). Moreover, majority of the CT scans were limited to the head (39.1%), followed by the extremities (32.5%) and the abdomen (13.7%). Notably, the number of extremity CT scans increased by 83.6% (2.3/1000 to 4.2/1000), and its proportion as compared to other scans increased from 25.3% to 37.7%. Conclusion CT scans in the pediatric population increased continuously from 2012 to 2017 at an annual rate of 4.4%. Therefore, physicians should balance the benefits of CT with its potential harms from associated radiation exposure in pediatric patients.

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